1CJ0

CRYSTAL STRUCTURE OF RABBIT CYTOSOLIC SERINE HYDROXYMETHYLTRANSFERASE AT 2.8 ANGSTROM RESOLUTION

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6		20MM K2HPO4, KH2PO4, 25MM POTASIUM MES OR SODIUM HEPES, PH 7.0 0.2 MM 2-MERCAPTOETHANOL, 3% PEG 400, pH 6.0, VAPOR DIFFUSION, HANGING DROP

Crystal Properties
Matthews coefficient	Solvent content
2.85	57

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 116.38	α = 90
b = 116.38	β = 90
c = 165.38	γ = 90

Symmetry
Space Group	P 41 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	298	IMAGE PLATE	RIGAKU			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	2.8	35	100	0.173	10.9	19		28327		-3	88.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MIRAS	THROUGHOUT	2.8	20	28454	2885	99.7	0.214	0.28	RANDOM	70.8

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
-2.65			-2.65		5.3

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	23.4
c_improper_angle_d	2.17
c_angle_deg	2
c_bond_d	0.016
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot
c_mcbond_it
c_mcangle_it
c_scbond_it
c_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6982
Nucleic Acid Atoms
Solvent Atoms	12
Heterogen Atoms	30

Software

Software
Software Name	Purpose
PHASES	phasing
CNS	refinement
DENZO	data reduction
SCALEPACK	data scaling